Home / 57,119.58-78,749.42-46,873.08

Finding the Fourth Proportional to 57,119.58, 78,749.42 and 46,873.08

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Solution

The fourth proportional to 57,119.58, 78,749.42 and 46,873.08 is: 64,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.58 : 78,749.42 = 46,873.08 : x
  2. Step 2: Convert to fraction form
    57,119.58/78,749.42 = 46,873.08/x
  3. Step 3: Cross multiply
    57,119.58x = 78,749.42 × 46,873.08
  4. Step 4: Simplify right side
    57,119.58x = 3,691,227,629.25
  5. Step 5: Solve for x
    x = 3,691,227,629.25/57,119.58
  6. Step 6: Final answer
    x = 64,622.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.